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Industrial Hemp Hurd Processing for Microcrystalline Cellulose Production and its Usage as a Filler in Paper

Bioresources, 2024-03, Vol.19 (2), p.2811-2825 [Peer Reviewed Journal]

EISSN: 1930-2126 ;DOI: 10.15376/biores.19.2.2811-2825

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  • Title:
    Industrial Hemp Hurd Processing for Microcrystalline Cellulose Production and its Usage as a Filler in Paper
  • Author: Larisa V. Yurtayeva ; Yuri D. Alashkevich ; Eugene V. Kaplyov ; Elena A. Slizikova ; Roman A. Marchenko
  • Subjects: hemp ; hydrolysis ; microcrystalline cellulose ; refining ; refining degree
  • Is Part Of: Bioresources, 2024-03, Vol.19 (2), p.2811-2825
  • Description: This article substantiates the possibilities of replacing commercial wood with raw materials made from industrial hemp hurd (hemp-woody core) for the production of unbleached and bleached paper pulps. A comparative analysis of the mechanical characteristics of sheets of paper prepared in the Rapid-Köthen apparatus and obtained from pulp obtained from commercial wood and hemp-woody core (HWC) was undertaken. The objective of this study was to determine the effect of mechanical refining of a pulp on the production of microcrystalline cellulose (MCC) from HWC. It was shown that an increase in the pulp refining degree from 15 °SR to 83 °SR led to a decrease in the degree of polymerisation of MCC from 272 to 75, the hydrochloric acid concentration from 73 to 45.63 g/L, and the hydrolysis time from 120 min to 60 min. With the addition of 5% MCC obtained from hemp-woody core, the mechanical properties of laboratory paper sheets from HWC were improved until they met ISO 12625-4-2017 (2017) requirements for NS-2. The results obtained support using hemp-woody core for the production of MCC.
  • Publisher: North Carolina State University
  • Language: English
  • Identifier: EISSN: 1930-2126
    DOI: 10.15376/biores.19.2.2811-2825
  • Source: GFMER Free Medical Journals
    ROAD: Directory of Open Access Scholarly Resources
    ProQuest Central
    DOAJ Directory of Open Access Journals
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